pi6c557-03
PCI Express Clock
PCI Express时钟
Product Features
产品特点
Î LVDS compatible outputs
ÎLVDS兼容输出
Î Supply voltage of 3.3V ±10%
Î3.3V的电源电压±10%
Î 25MHz input frequency
Î25MHz的输入频率
Î HCSL outputs, 0.7V Current mode differential pair
ÎHCSL输出，0.7v电流模式差分对
Î Jitter 60ps cycle-to-cycle (typ)
Î抖动60ps循环（典型值）
Î Spread of ±0.25%, -0.5%, -0.75%, and no spread
Î传播±0.25%、- 0.5%、- 0.75%、不传播
Î Industrial temperature range
Î工业温度范围
Î Packaging: (Pb-free and Green)
Î包装：（无铅和绿色）
à 16-pin, 173 mils wide TSSOP
à16针、173英里宽的TSSOP封装
Description
描述
The PI6C557-03 is a spread spectrum clock generator
是的pi6c557-03扩频时钟发生器
supporting PCI Express and Ethernet requirements. The device
支持PCI Express和以太网要求。该装置
is used for PC or embedded systems to substantially reduce
用于PC或嵌入式系统大幅减少
Electromagnetic Interference (EMI).
电磁干扰（EMI）。
The PI6C557-03 provides two differential (HCSL) spread spectrum
的pi6c557-03提供两个微分（HCSL）扩频
outputs. The PI6C557-03 is configured to select spread and clock
输出。的pi6c557-03配置来选择传播和时钟
selection. Using Pericom's patented Phase-Locked Loop (PLL)
选择。百利通的专利使用锁相环（PLL）
techniques, the device takes a 25MHz crystal input and produces
技术，设备需要一个25MHz晶体输入和产生
two pairs of differential outputs (HCSL) at 25MHz, 100MHz,
两对差分输出（HCSL）在25MHz，100mhz，
125MHz and 200MHz clock frequencies. It also provides spread
125mhz和200MHz的时钟频率。它还提供了传播
selection of ±0.25%, -0.5%, -0.75%, and no spread.
选择的值为0.25%，- 0.5%，- 0.75%，不扩散。
请联系我们:
蔡晓玲 手机 15013430878
QQ 2450338923